code: def forward(self, x):
      out = torch.cat(
          [self.conv1(x), self.conv2(x[:, :, 1:, 1:])], dim=1
      )
      out = self.bn(out)
      return out
  
imports: import torch
  import torch.nn
label_desc: Use image node_id 2 for calling the FactorizedReduce obj's underlying member method code with example usage: obj.forward(x) and returns: out